Rules for Classification and Construction I Ship Technology 5 Underwater Technology 1 Diving Systems and Diving Simulators Amended 2016-01: Section 1, E and Section 1, F of these rules are not applicable for Diving Systems and Diving Simulators transferred to the common DNV GL production system from the date of transfer. For such Diving Systems and Diving Simulators, see DNV GL rules for classification: Underwater technology, Pt.7. Edition 2009 The following Rules come into force on 1 November 2009. Germanischer Lloyd Aktiengesellschaft Head Office Vorsetzen 35, 20459 Hamburg, Germany Phone: +49 40 36149-0 Fax: +49 40 36149-200 [email protected] www.gl-group.com "General Terms and Conditions" of the respective latest edition will be applicable (see Rules for Classification and Construction, I - Ship Technology, Part 0 - Classification and Surveys). Reproduction by printing or photostatic means is only permissible with the consent of Germanischer Lloyd Aktiengesellschaft. Published by: Germanischer Lloyd Aktiengesellschaft, Hamburg I - Part 5 Table of Contents Chapter 1 GL 2009 Page 3 Table of Contents Section 1 Classification and Certification of Diving Systems and Diving Simulators A. Scope of Application .................................................................................................................. 1- 1 B. Classification and Characters of Classification .......................................................................... 1- 1 C. Classification of Diving Systems Built or Converted under the Survey of and in Accordance with the Rules of GL .............................................................................................. 1- 2 D. Classification of Diving Systems not Built under the Survey of GL .......................................... 1- 3 E. Surveys for Maintenance of Class .............................................................................................. 1- 3 F. Surveys other than for Classification .......................................................................................... 1- 5 G. Certification ............................................................................................................................... 1- 6 H. Workmanship ............................................................................................................................. 1- 6 Section 2 Rules for Construction of Diving Systems A. General Principles ...................................................................................................................... 2- 1 B. Rules and Regulations to be Considered .................................................................................... 2- 1 C. Definitions .................................................................................................................................. 2- 1 D. Environmental Conditions .......................................................................................................... 2- 3 E. Documents for Approval ............................................................................................................ 2- 5 F. Failure Modes and Effects Analysis (FMEA) ............................................................................ 2- 7 G. Tests and Trials .......................................................................................................................... 2- 9 H. Marking ...................................................................................................................................... 2- 12 I. Principles for the Design and Construction of Diving Systems .................................................. 2- 13 J. Vessels and Apparatus under Pressure ....................................................................................... 2- 14 K. Pipes, Valves, Fittings, Hoses, Umbilicals ................................................................................. 2- 20 L. Compressors ............................................................................................................................... 2- 23 M. Life Support Systems ................................................................................................................. 2- 24 N. Electrical Equipment .................................................................................................................. 2- 27 O. Automation, Communication and Locating Equipment ............................................................. 2- 35 P. Fire Protection ............................................................................................................................ 2- 39 Q. Launch, Recovery, Transfer and Mating Systems ...................................................................... 2- 41 R. Hyperbaric Evacuation System .................................................................................................. 2- 44 S. Wet Bells .................................................................................................................................... 2- 46 Section 3 Rules for Construction of Diving Simulators A. General Rules and Instructions ................................................................................................... 3- 1 B. Principles of Design and Construction of Diving Simulators ..................................................... 3- 6 C. Vessels and Apparatus under Pressure ....................................................................................... 3- 7 D. Pipes, Valves, Fittings, Hoses, Umbilicals ................................................................................. 3- 9 E. Compressors ............................................................................................................................... 3- 9 F. Life Support Systems ................................................................................................................. 3- 9 G. Electrical Installations ................................................................................................................ 3- 12 H. Automation Equipment and Communications Equipment .......................................................... 3- 13 I. Fire Protection ............................................................................................................................ 3- 14 J. Hyperbaric Evacuation System .................................................................................................. 3- 15 Chapter 1 Table of Contents I - Part 5 Page 4 GL 2009 Section 4 Rules for Construction of Diver Pressure Chambers A. General Rules and Instructions ................................................................................................... 4- 1 B. Principles for Design and Construction ...................................................................................... 4- 3 Annex A Calculation of the Pressure Hull A. General ........................................................................................................................................ A- 1 B. Fatigue Strength .......................................................................................................................... A- 1 C. Stresses at Nominal Diving Pressure .......................................................................................... A- 2 D. Stresses at Test Diving Pressure ................................................................................................. A- 2 E. Proof of Ultimate Strength at Collapse Diving Pressure ............................................................. A- 2 F. Calculation .................................................................................................................................. A- 2 G. Literature .................................................................................................................................... A- 17 Annex B Manufacturing Tolerances for the Pressure Hull A. General ........................................................................................................................................ B- 1 B. Dimensions of the Pressure Hull ................................................................................................. B- 1 C. Pressure Hull Frames .................................................................................................................. B- 2 D. Out-of Roundness of the Cylindrical resp. Conical Pressure Hull .............................................. B- 3 E. Spherical Shells and Dished Ends ............................................................................................... B- 6 F. Literature .................................................................................................................................... B- 8 Annex C Acrylic Windows A. General ........................................................................................................................................ C- 1 B. Materials ..................................................................................................................................... C- 1 C. Manufacture of Windows ............................................................................................................ C- 2 D. Window Shapes and Sizes .......................................................................................................... C- 2 E. Installation of Windows .............................................................................................................. C- 3 Annex D Manufacture